KO

Kenji Ohki

Sumitomo Electric Industries: 6 patents #4,612 of 21,551Top 25%
SC Sumitomo Electric Printed Circuits: 4 patents #28 of 116Top 25%
KC Kao Soap Co.: 3 patents #28 of 203Top 15%
Dai Nippon Printing Co.: 1 patents #1,392 of 2,222Top 65%
Overall (All Time): #496,513 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
11752734 Base material for printed circuit board and printed circuit board Motohiko SUGIURA, Issei Okada 2023-09-12
11013113 Base material for printed circuit board and printed circuit board Motohiko SUGIURA, Issei Okada, Takashi Kasuga, Yoshio Oka 2021-05-18
10796812 Coating liquid for forming conductive layer, method for producing conductive layer, and conductive layer Motohiko SUGIURA, Issei Okada, Yoshio Oka, Atsushi Kimura 2020-10-06
10610928 Powder for conductive material, ink for conductive material, conductive paste, and method for producing powder for conductive material Issei Okada, Motohiko SUGIURA, Yoshio Oka 2020-04-07
8634136 Transmission screen for interactive board Kazunobu Ogawa, Takeshi Ogawa, Tetsuya Sadahiro 2014-01-21
7307290 Compound semiconductor wafer and manufacturing method thereof Takashi Iwasaki, Shigeru Sawada, Hiroya Kimura 2007-12-11
6835990 Semiconductor light receiving element Yasuhiro Iguchi, Akira Yamaguchi, Manabu Shiozaki, Takashi Iwasaki 2004-12-28
4414255 Water absorbing sheet assembly Mitsuru Tokuyama, Yoshimi Tsuchiya, Hikotaro Kawaguchi, Masayuki Sagae 1983-11-08
4364985 Porous sheet Mitsuru Tokuyama, Masayuki Sagae, Kaoru Tsujii 1982-12-21
4347844 Porous sheet and process for preparation thereof Mistru Tokuyama, Masayuki Sagae, Kenji Kawabuchi 1982-09-07